Asquare base of a pyramid has the dimensions 5 yards by 5 yards. the height of one of the triangular faces is 12 yards. how can you find the surface area of the pyramid?

Sample First, draw and label a net of the pyramid. The triangular faces have a base of 5 yards and a height of 12 yards. Find the area of each of the faces. The square base has an area of 25 yd2. Each of the triangular faces has an area of 30 yd2. Add the areas together to find the surface area: 25 + 30 + 30 + 30 + 30 = 145 yd2.

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